16GB (1x16GB) DDR3-1866MHz PC3-14900 2Rx8 SODIMM Laptop Memory by NEMIX RAM at Amazon.com
Kimtigo DDR4 16GB Laptop Dram 2666MHz (PC4-21300) CL19 (Compatible with 2400MHz or 2133MHz) 1.2V Notebook (SODIMM) RAM Non-ECC Unbuffered Single Rank 260 Pin PC Computer Memory Module Upgrade at Amazon.com
DDR5 RAM Pricing Ranges From $116 to $369 | PCMag
Corsair VENGEANCE RGB PRO 16GB DDR4 3200MHz Desktop Ram - Sundarban IT